image.RdPlot (make a map of) the values of a SpatRaster via image. See plot if you need more fancy options such as a legend.
# S4 method for class 'SpatRaster'
image(x, y=1, maxcell=500000, ...)SpatRaster
positive integer indicating the layer to be plotted, or a character indicating the name of the layer
positive integer. Maximum number of cells to use for the plot
additional arguments as for graphics::image
f <- system.file("ex/elev.tif", package="terra")
r <- rast(f)
image(r)
image(r, col=rainbow(24))